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Finding the Third Proportional to 253,582,240 and 387,915,092

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Solution

The third proportional to 253,582,240 and 387,915,092 is: 593,409,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,582,240 : 387,915,092 = 387,915,092 : x
  2. Step 2: Convert to fraction form
    253,582,240/387,915,092 = 387,915,092/x
  3. Step 3: Cross multiply
    253,582,240x = 387,915,092 × 387,915,092
  4. Step 4: Simplify right side
    253,582,240x = 150,478,118,601,368,448
  5. Step 5: Solve for x
    x = 150,478,118,601,368,448/253,582,240
  6. Step 6: Final answer
    x = 593,409,532.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.